| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] to be | 541 |
|
| 2 | be [vb pp] to be an | 222 |
|
| 3 | [adv] [vb pp] to be an | 72 |
|
| 4 | [adv] be [vb pp] to an | 43 |
|
